Assuming Jim sticks to a regular timeline. But I did think about this a long time ago when it was mentioned (I think in one of the earlier books like Grave Peril) that the Red Court war was earlier than they wanted...Harry sort-of forced their hand. Something about how they intended it to be 20 years after the millennium or something. I wonder if Jim will include a certain virus for the BAT. Might be a bit close to home.
PT/BG took place in 2014. We have 5 more regular books before the BAT, the final three books.If Jim keeps his pace of the books have about a year's separation.That means the BAT kicks off in 2020.Perfect, Jim. Perfect.